[pulseview.git] / pv / view / decodetrace.cpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

extern "C" {
#include <libsigrokdecode/libsigrokdecode.h>
}

#include <extdef.h>

#include <boost/foreach.hpp>

#include <QAction>
#include <QApplication>
#include <QComboBox>
#include <QFormLayout>
#include <QLabel>
#include <QMenu>
#include <QPushButton>

#include "decodetrace.h"

#include <pv/sigsession.h>
#include <pv/data/decoderstack.h>
#include <pv/data/decode/decoder.h>
#include <pv/data/logic.h>
#include <pv/data/logicsnapshot.h>
#include <pv/data/decode/annotation.h>
#include <pv/view/logicsignal.h>
#include <pv/view/view.h>
#include <pv/widgets/decodergroupbox.h>
#include <pv/widgets/decodermenu.h>

using namespace boost;
using namespace std;

namespace pv {
namespace view {

const QColor DecodeTrace::DecodeColours[4] = {
	QColor(0xEF, 0x29, 0x29),	// Red
	QColor(0xFC, 0xE9, 0x4F),	// Yellow
	QColor(0x8A, 0xE2, 0x34),	// Green
	QColor(0x72, 0x9F, 0xCF)	// Blue
};

const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);

const double DecodeTrace::EndCapWidth = 5;
const int DecodeTrace::DrawPadding = 100;

const QColor DecodeTrace::Colours[7] = {
	QColor(0xFC, 0xE9, 0x4F),	// Light Butter
	QColor(0xFC, 0xAF, 0x3E),	// Light Orange
	QColor(0xE9, 0xB9, 0x6E),	// Light Chocolate
	QColor(0x8A, 0xE2, 0x34),	// Light Green
	QColor(0x72, 0x9F, 0xCF),	// Light Blue
	QColor(0xAD, 0x7F, 0xA8),	// Light Plum
	QColor(0xEF, 0x29, 0x29)	// Light Red
};

DecodeTrace::DecodeTrace(pv::SigSession &session,
	boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
	Trace(session, QString(decoder_stack->stack().front()->decoder()->name)),
	_decoder_stack(decoder_stack),
	_delete_mapper(this)
{
	assert(_decoder_stack);

	_colour = DecodeColours[index % countof(DecodeColours)];

	connect(_decoder_stack.get(), SIGNAL(new_decode_data()),
		this, SLOT(on_new_decode_data()));
	connect(&_delete_mapper, SIGNAL(mapped(int)),
		this, SLOT(on_delete_decoder(int)));
}

bool DecodeTrace::enabled() const
{
	return true;
}

const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
{
	return _decoder_stack;
}

void DecodeTrace::set_view(pv::view::View *view)
{
	assert(view);
	Trace::set_view(view);
}

void DecodeTrace::paint_back(QPainter &p, int left, int right)
{
	Trace::paint_back(p, left, right);
	paint_axis(p, get_y(), left, right);
}

void DecodeTrace::paint_mid(QPainter &p, int left, int right)
{
	using pv::data::decode::Annotation;

	const double scale = _view->scale();
	assert(scale > 0);

	double samplerate = _decoder_stack->samplerate();

	// Show sample rate as 1Hz when it is unknown
	if (samplerate == 0.0)
		samplerate = 1.0;

	const double pixels_offset = (_view->offset() -
		_decoder_stack->get_start_time()) / scale;
	const double samples_per_pixel = samplerate * scale;

	QFontMetrics m(QApplication::font());
	const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4;

	assert(_decoder_stack);
	const QString err = _decoder_stack->error_message();
	if (!err.isEmpty())
	{
		draw_error(p, err, left, right);
		draw_unresolved_period(p, h, left, right, samples_per_pixel,
			pixels_offset);
		return;
	}

	assert(_view);
	const int y = get_y();

	assert(_decoder_stack);
	vector<Annotation> annotations(_decoder_stack->annotations());
	BOOST_FOREACH(const Annotation &a, annotations)
		draw_annotation(a, p, get_text_colour(), h, left, right,
			samples_per_pixel, pixels_offset, y);

	draw_unresolved_period(p, h, left, right,
		samples_per_pixel, pixels_offset);
}

void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
{
	using pv::data::decode::Decoder;

	assert(form);
	assert(parent);
	assert(_decoder_stack);

	// Add the standard options
	Trace::populate_popup_form(parent, form);

	// Add the decoder options
	_bindings.clear();
	_probe_selectors.clear();

	const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();

	if (stack.empty())
	{
		QLabel *const l = new QLabel(
			tr("<p><i>No decoders in the stack</i></p>"));
		l->setAlignment(Qt::AlignCenter);
		form->addRow(l);
	}
	else
	{
		list< shared_ptr<Decoder> >::const_iterator iter =
			stack.begin();
		for (int i = 0; i < (int)stack.size(); i++, iter++) {
			shared_ptr<Decoder> dec(*iter);
			create_decoder_form(i, dec, parent, form);
		}

		form->addRow(new QLabel(
			tr("<i>* Required Probes</i>"), parent));
	}

	// Add stacking button
	pv::widgets::DecoderMenu *const decoder_menu =
		new pv::widgets::DecoderMenu(parent);
	connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
		this, SLOT(on_stack_decoder(srd_decoder*)));

	QPushButton *const stack_button =
		new QPushButton(tr("Stack Decoder"), parent);
	stack_button->setMenu(decoder_menu);

	QHBoxLayout *stack_button_box = new QHBoxLayout;
	stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
	form->addRow(stack_button_box);
}

QMenu* DecodeTrace::create_context_menu(QWidget *parent)
{
	QMenu *const menu = Trace::create_context_menu(parent);

	menu->addSeparator();

	QAction *const del = new QAction(tr("Delete"), this);
	del->setShortcuts(QKeySequence::Delete);
	connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
	menu->addAction(del);

	return menu;
}

void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
	QColor text_color, int h, int left, int right, double samples_per_pixel,
	double pixels_offset, int y) const
{
	const double start = a.start_sample() / samples_per_pixel -
		pixels_offset;
	const double end = a.end_sample() / samples_per_pixel -
		pixels_offset;
	const QColor fill = Colours[(a.format() * (countof(Colours) / 2 + 1)) %
		countof(Colours)];
	const QColor outline(fill.darker());

	if (start > right + DrawPadding || end < left - DrawPadding)
		return;

	if (a.start_sample() == a.end_sample())
		draw_instant(a, p, fill, outline, text_color, h,
			start, y);
	else
		draw_range(a, p, fill, outline, text_color, h,
			start, end, y);
}

void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
	QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
{
	const QString text = a.annotations().empty() ?
		QString() : a.annotations().back();
	const double w = min(p.boundingRect(QRectF(), 0, text).width(),
		0.0) + h;
	const QRectF rect(x - w / 2, y - h / 2, w, h);

	p.setPen(outline);
	p.setBrush(fill);
	p.drawRoundedRect(rect, h / 2, h / 2);

	p.setPen(text_color);
	p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
}

void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
	QColor fill, QColor outline, QColor text_color, int h, double start,
	double end, int y) const
{
	const double top = y + .5 - h / 2;
	const double bottom = y + .5 + h / 2;
	const vector<QString> annotations = a.annotations();

	p.setPen(outline);
	p.setBrush(fill);

	// If the two ends are within 1 pixel, draw a vertical line
	if (start + 1.0 > end)
	{
		p.drawLine(QPointF(start, top), QPointF(start, bottom));
		return;
	}

	const double cap_width = min((end - start) / 4, EndCapWidth);

	QPointF pts[] = {
		QPointF(start, y + .5f),
		QPointF(start + cap_width, top),
		QPointF(end - cap_width, top),
		QPointF(end, y + .5f),
		QPointF(end - cap_width, bottom),
		QPointF(start + cap_width, bottom)
	};

	p.drawConvexPolygon(pts, countof(pts));

	if (annotations.empty())
		return;

	QRectF rect(start + cap_width, y - h / 2,
		end - start - cap_width * 2, h);
	p.setPen(text_color);

	// Try to find an annotation that will fit
	QString best_annotation;
	int best_width = 0;

	BOOST_FOREACH(const QString &a, annotations) {
		const int w = p.boundingRect(QRectF(), 0, a).width();
		if (w <= rect.width() && w > best_width)
			best_annotation = a, best_width = w;
	}

	if (best_annotation.isEmpty())
		best_annotation = annotations.back();

	// If not ellide the last in the list
	p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
		best_annotation, Qt::ElideRight, rect.width()));
}

void DecodeTrace::draw_error(QPainter &p, const QString &message,
	int left, int right)
{
	const int y = get_y();

	p.setPen(ErrorBgColour.darker());
	p.setBrush(ErrorBgColour);

	const QRectF bounding_rect =
		QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
	const QRectF text_rect = p.boundingRect(bounding_rect,
		Qt::AlignCenter, message);
	const float r = text_rect.height() / 4;

	p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
		Qt::AbsoluteSize);

	p.setPen(get_text_colour());
	p.drawText(text_rect, message);
}

void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
	int right, double samples_per_pixel, double pixels_offset) 
{
	using namespace pv::data;
	using pv::data::decode::Decoder;

	assert(_decoder_stack);	

	shared_ptr<Logic> data;
	shared_ptr<LogicSignal> logic_signal;

	const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();

	// We get the logic data of the first probe in the list.
	// This works because we are currently assuming all
	// LogicSignals have the same data/snapshot
	BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack)
		if (dec && !dec->probes().empty() &&
			((logic_signal = (*dec->probes().begin()).second)) &&
			((data = logic_signal->logic_data())))
			break;

	if (!data || data->get_snapshots().empty())
		return;

	const shared_ptr<LogicSnapshot> snapshot =
		data->get_snapshots().front();
	assert(snapshot);
	const int64_t sample_count = (int64_t)snapshot->get_sample_count();
	if (sample_count == 0)
		return;

	const int64_t samples_decoded = _decoder_stack->samples_decoded();
	if (sample_count == samples_decoded)
		return;

	const int y = get_y();
	const double start = max(samples_decoded /
		samples_per_pixel - pixels_offset, left - 1.0);
	const double end = min(sample_count / samples_per_pixel -
		pixels_offset, right + 1.0);
	const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);

	p.setPen(QPen(Qt::NoPen));
	p.setBrush(Qt::white);
	p.drawRect(no_decode_rect);

	p.setPen(NoDecodeColour);
	p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
	p.drawRect(no_decode_rect);
}

void DecodeTrace::create_decoder_form(int index,
	shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
	QFormLayout *form)
{
	const GSList *probe;

	assert(dec);
	const srd_decoder *const decoder = dec->decoder();
	assert(decoder);

	pv::widgets::DecoderGroupBox *const group =
		new pv::widgets::DecoderGroupBox(decoder->name);

	_delete_mapper.setMapping(group, index);
	connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));

	QFormLayout *const decoder_form = new QFormLayout;
	group->add_layout(decoder_form);

	// Add the mandatory probes
	for(probe = decoder->probes; probe; probe = probe->next) {
		const struct srd_probe *const p =
			(struct srd_probe *)probe->data;
		QComboBox *const combo = create_probe_selector(parent, dec, p);
		connect(combo, SIGNAL(currentIndexChanged(int)),
			this, SLOT(on_probe_selected(int)));
		decoder_form->addRow(tr("<b>%1</b> (%2) *")
			.arg(p->name).arg(p->desc), combo);

		const ProbeSelector s = {combo, dec, p};
		_probe_selectors.push_back(s);
	}

	// Add the optional probes
	for(probe = decoder->opt_probes; probe; probe = probe->next) {
		const struct srd_probe *const p =
			(struct srd_probe *)probe->data;
		QComboBox *const combo = create_probe_selector(parent, dec, p);
		connect(combo, SIGNAL(currentIndexChanged(int)),
			this, SLOT(on_probe_selected(int)));
		decoder_form->addRow(tr("<b>%1</b> (%2)")
			.arg(p->name).arg(p->desc), combo);

		const ProbeSelector s = {combo, dec, p};
		_probe_selectors.push_back(s);
	}

	// Add the options
	shared_ptr<prop::binding::DecoderOptions> binding(
		new prop::binding::DecoderOptions(_decoder_stack, dec));
	binding->add_properties_to_form(decoder_form, true);

	_bindings.push_back(binding);

	form->addRow(group);
}

QComboBox* DecodeTrace::create_probe_selector(
	QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
	const srd_probe *const probe)
{
	assert(dec);

	const vector< shared_ptr<Signal> > sigs = _session.get_signals();

	assert(_decoder_stack);
	const map<const srd_probe*,
		shared_ptr<LogicSignal> >::const_iterator probe_iter =
		dec->probes().find(probe);

	QComboBox *selector = new QComboBox(parent);

	selector->addItem("-", qVariantFromValue((void*)NULL));

	if (probe_iter == dec->probes().end())
		selector->setCurrentIndex(0);

	for(size_t i = 0; i < sigs.size(); i++) {
		const shared_ptr<view::Signal> s(sigs[i]);
		assert(s);

		if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
		{
			selector->addItem(s->get_name(),
				qVariantFromValue((void*)s.get()));
			if ((*probe_iter).second == s)
				selector->setCurrentIndex(i + 1);
		}
	}

	return selector;
}

void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec)
{
	assert(dec);

	map<const srd_probe*, shared_ptr<LogicSignal> > probe_map;
	const vector< shared_ptr<Signal> > sigs = _session.get_signals();

	BOOST_FOREACH(const ProbeSelector &s, _probe_selectors)
	{
		if(s._decoder != dec)
			break;

		const LogicSignal *const selection =
			(LogicSignal*)s._combo->itemData(
				s._combo->currentIndex()).value<void*>();

		BOOST_FOREACH(shared_ptr<Signal> sig, sigs)
			if(sig.get() == selection) {
				probe_map[s._probe] =
					dynamic_pointer_cast<LogicSignal>(sig);
				break;
			}
	}

	dec->set_probes(probe_map);
}

void DecodeTrace::commit_probes()
{
	assert(_decoder_stack);
	BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec,
		_decoder_stack->stack())
		commit_decoder_probes(dec);

	_decoder_stack->begin_decode();
}

void DecodeTrace::on_new_decode_data()
{
	if (_view)
		_view->update_viewport();
}

void DecodeTrace::delete_pressed()
{
	on_delete();
}

void DecodeTrace::on_delete()
{
	_session.remove_decode_signal(this);
}

void DecodeTrace::on_probe_selected(int)
{
	commit_probes();
}

void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
{
	assert(decoder);
	assert(_decoder_stack);
	_decoder_stack->push(shared_ptr<data::decode::Decoder>(
		new data::decode::Decoder(decoder)));
	_decoder_stack->begin_decode();

	create_popup_form();
}

void DecodeTrace::on_delete_decoder(int index)
{
	_decoder_stack->remove(index);

	// Update the popup
	create_popup_form();	

	_decoder_stack->begin_decode();
}

} // namespace view
} // namespace pv
Commit	Line	Data
55d3603d JH	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	extern "C" {
	22	#include <libsigrokdecode/libsigrokdecode.h>
	23	}
	24
06bb4e6a JH	25	#include <extdef.h>
06bb4e6a JH	26
b213ef09 JH	27	#include <boost/foreach.hpp>
b213ef09 JH	28
c51482b3	29	#include <QAction>
d7c0ca4a	30	#include <QApplication>
4e5a4405 JH	31	#include <QComboBox>
	32	#include <QFormLayout>
	33	#include <QLabel>
b213ef09	34	#include <QMenu>
ce94e4fd	35	#include <QPushButton>
c51482b3	36
b9329558	37	#include "decodetrace.h"
55d3603d	38
06bb4e6a	39	#include <pv/sigsession.h>
6e89374a	40	#include <pv/data/decoderstack.h>
7491a29f	41	#include <pv/data/decode/decoder.h>
5dfeb70f JH	42	#include <pv/data/logic.h>
5dfeb70f JH	43	#include <pv/data/logicsnapshot.h>
06e810f2	44	#include <pv/data/decode/annotation.h>
4e5a4405	45	#include <pv/view/logicsignal.h>
e0fc5810	46	#include <pv/view/view.h>
204bae45	47	#include <pv/widgets/decodergroupbox.h>
ce94e4fd	48	#include <pv/widgets/decodermenu.h>
119aff65	49
55d3603d JH	50	using namespace boost;
	51	using namespace std;
	52
	53	namespace pv {
	54	namespace view {
	55
b9329558	56	const QColor DecodeTrace::DecodeColours[4] = {
06bb4e6a JH	57	QColor(0xEF, 0x29, 0x29), // Red
	58	QColor(0xFC, 0xE9, 0x4F), // Yellow
	59	QColor(0x8A, 0xE2, 0x34), // Green
	60	QColor(0x72, 0x9F, 0xCF) // Blue
	61	};
	62
b9329558	63	const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
5dfeb70f	64	const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);
ad50ac1a	65
06e810f2 JH	66	const double DecodeTrace::EndCapWidth = 5;
	67	const int DecodeTrace::DrawPadding = 100;
	68
	69	const QColor DecodeTrace::Colours[7] = {
	70	QColor(0xFC, 0xE9, 0x4F), // Light Butter
	71	QColor(0xFC, 0xAF, 0x3E), // Light Orange
	72	QColor(0xE9, 0xB9, 0x6E), // Light Chocolate
	73	QColor(0x8A, 0xE2, 0x34), // Light Green
	74	QColor(0x72, 0x9F, 0xCF), // Light Blue
	75	QColor(0xAD, 0x7F, 0xA8), // Light Plum
	76	QColor(0xEF, 0x29, 0x29) // Light Red
	77	};
	78
b9329558	79	DecodeTrace::DecodeTrace(pv::SigSession &session,
6e89374a	80	boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
7491a29f	81	Trace(session, QString(decoder_stack->stack().front()->decoder()->name)),
613d097c JH	82	_decoder_stack(decoder_stack),
613d097c JH	83	_delete_mapper(this)
55d3603d	84	{
6e89374a	85	assert(_decoder_stack);
e0fc5810	86
06bb4e6a	87	_colour = DecodeColours[index % countof(DecodeColours)];
9cef9567	88
6e89374a	89	connect(_decoder_stack.get(), SIGNAL(new_decode_data()),
9cef9567	90	this, SLOT(on_new_decode_data()));
613d097c JH	91	connect(&_delete_mapper, SIGNAL(mapped(int)),
613d097c JH	92	this, SLOT(on_delete_decoder(int)));
55d3603d JH	93	}
55d3603d JH	94
b9329558	95	bool DecodeTrace::enabled() const
55d3603d JH	96	{
	97	return true;
	98	}
	99
6e89374a	100	const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
b6b267bb	101	{
6e89374a	102	return _decoder_stack;
b6b267bb JH	103	}
b6b267bb JH	104
b9329558	105	void DecodeTrace::set_view(pv::view::View *view)
e0fc5810 JH	106	{
	107	assert(view);
	108	Trace::set_view(view);
	109	}
	110
b9329558	111	void DecodeTrace::paint_back(QPainter &p, int left, int right)
fe08b6e8	112	{
5dfeb70f	113	Trace::paint_back(p, left, right);
fe08b6e8 JH	114	paint_axis(p, get_y(), left, right);
	115	}
	116
b9329558	117	void DecodeTrace::paint_mid(QPainter &p, int left, int right)
55d3603d	118	{
06e810f2	119	using pv::data::decode::Annotation;
9472f447	120
9472f447 JH	121	const double scale = _view->scale();
	122	assert(scale > 0);
	123
9d28da5a	124	double samplerate = _decoder_stack->samplerate();
9472f447 JH	125
	126	// Show sample rate as 1Hz when it is unknown
	127	if (samplerate == 0.0)
	128	samplerate = 1.0;
	129
	130	const double pixels_offset = (_view->offset() -
6e89374a	131	_decoder_stack->get_start_time()) / scale;
9472f447 JH	132	const double samples_per_pixel = samplerate * scale;
9472f447 JH	133
d7c0ca4a JH	134	QFontMetrics m(QApplication::font());
d7c0ca4a JH	135	const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4;
5dfeb70f JH	136
	137	assert(_decoder_stack);
	138	const QString err = _decoder_stack->error_message();
	139	if (!err.isEmpty())
	140	{
	141	draw_error(p, err, left, right);
	142	draw_unresolved_period(p, h, left, right, samples_per_pixel,
	143	pixels_offset);
	144	return;
	145	}
	146
	147	assert(_view);
	148	const int y = get_y();
	149
6e89374a	150	assert(_decoder_stack);
db62bbfd JH	151	vector<Annotation> annotations(_decoder_stack->annotations());
db62bbfd JH	152	BOOST_FOREACH(const Annotation &a, annotations)
06e810f2	153	draw_annotation(a, p, get_text_colour(), h, left, right,
5dfeb70f	154	samples_per_pixel, pixels_offset, y);
5dfeb70f JH	155
	156	draw_unresolved_period(p, h, left, right,
	157	samples_per_pixel, pixels_offset);
55d3603d JH	158	}
55d3603d JH	159
b9329558	160	void DecodeTrace::populate_popup_form(QWidget parent, QFormLayout form)
4e5a4405	161	{
613d097c JH	162	using pv::data::decode::Decoder;
613d097c JH	163
4e5a4405 JH	164	assert(form);
4e5a4405 JH	165	assert(parent);
6e89374a	166	assert(_decoder_stack);
4e5a4405	167
7491a29f	168	// Add the standard options
4e5a4405 JH	169	Trace::populate_popup_form(parent, form);
4e5a4405 JH	170
7491a29f JH	171	// Add the decoder options
	172	_bindings.clear();
	173	_probe_selectors.clear();
4e5a4405	174
613d097c	175	const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();
4e5a4405	176
5069084a JH	177	if (stack.empty())
	178	{
	179	QLabel *const l = new QLabel(
	180	tr("<p><i>No decoders in the stack</i></p>"));
	181	l->setAlignment(Qt::AlignCenter);
	182	form->addRow(l);
	183	}
	184	else
	185	{
	186	list< shared_ptr<Decoder> >::const_iterator iter =
	187	stack.begin();
	188	for (int i = 0; i < (int)stack.size(); i++, iter++) {
	189	shared_ptr<Decoder> dec(*iter);
	190	create_decoder_form(i, dec, parent, form);
	191	}
	192
	193	form->addRow(new QLabel(
	194	tr("<i>* Required Probes</i>"), parent));
	195	}
4e5a4405	196
ce94e4fd	197	// Add stacking button
ce94e4fd JH	198	pv::widgets::DecoderMenu *const decoder_menu =
ce94e4fd JH	199	new pv::widgets::DecoderMenu(parent);
7491a29f JH	200	connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
	201	this, SLOT(on_stack_decoder(srd_decoder*)));
	202
	203	QPushButton *const stack_button =
	204	new QPushButton(tr("Stack Decoder"), parent);
ce94e4fd JH	205	stack_button->setMenu(decoder_menu);
	206
	207	QHBoxLayout *stack_button_box = new QHBoxLayout;
	208	stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
	209	form->addRow(stack_button_box);
4e5a4405 JH	210	}
4e5a4405 JH	211
b9329558	212	QMenu* DecodeTrace::create_context_menu(QWidget *parent)
c51482b3 JH	213	{
	214	QMenu *const menu = Trace::create_context_menu(parent);
	215
	216	menu->addSeparator();
	217
	218	QAction *const del = new QAction(tr("Delete"), this);
a2d21018	219	del->setShortcuts(QKeySequence::Delete);
c51482b3 JH	220	connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
	221	menu->addAction(del);
	222
	223	return menu;
	224	}
	225
06e810f2 JH	226	void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
	227	QColor text_color, int h, int left, int right, double samples_per_pixel,
	228	double pixels_offset, int y) const
	229	{
	230	const double start = a.start_sample() / samples_per_pixel -
	231	pixels_offset;
	232	const double end = a.end_sample() / samples_per_pixel -
	233	pixels_offset;
	234	const QColor fill = Colours[(a.format() * (countof(Colours) / 2 + 1)) %
	235	countof(Colours)];
	236	const QColor outline(fill.darker());
	237
	238	if (start > right + DrawPadding \|\| end < left - DrawPadding)
	239	return;
	240
	241	if (a.start_sample() == a.end_sample())
	242	draw_instant(a, p, fill, outline, text_color, h,
	243	start, y);
	244	else
	245	draw_range(a, p, fill, outline, text_color, h,
	246	start, end, y);
	247	}
	248
	249	void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
	250	QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
	251	{
	252	const QString text = a.annotations().empty() ?
	253	QString() : a.annotations().back();
	254	const double w = min(p.boundingRect(QRectF(), 0, text).width(),
	255	0.0) + h;
	256	const QRectF rect(x - w / 2, y - h / 2, w, h);
	257
	258	p.setPen(outline);
	259	p.setBrush(fill);
	260	p.drawRoundedRect(rect, h / 2, h / 2);
	261
	262	p.setPen(text_color);
	263	p.drawText(rect, Qt::AlignCenter \| Qt::AlignVCenter, text);
	264	}
	265
	266	void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
	267	QColor fill, QColor outline, QColor text_color, int h, double start,
	268	double end, int y) const
	269	{
	270	const double top = y + .5 - h / 2;
	271	const double bottom = y + .5 + h / 2;
	272	const vector<QString> annotations = a.annotations();
	273
	274	p.setPen(outline);
	275	p.setBrush(fill);
	276
	277	// If the two ends are within 1 pixel, draw a vertical line
	278	if (start + 1.0 > end)
	279	{
	280	p.drawLine(QPointF(start, top), QPointF(start, bottom));
	281	return;
	282	}
	283
	284	const double cap_width = min((end - start) / 4, EndCapWidth);
	285
	286	QPointF pts[] = {
	287	QPointF(start, y + .5f),
	288	QPointF(start + cap_width, top),
	289	QPointF(end - cap_width, top),
290	QPointF(end, y + .5f),
291	QPointF(end - cap_width, bottom),
292	QPointF(start + cap_width, bottom)
293	};
294
295	p.drawConvexPolygon(pts, countof(pts));
296
297	if (annotations.empty())
298	return;
299
300	QRectF rect(start + cap_width, y - h / 2,
301	end - start - cap_width * 2, h);
302	p.setPen(text_color);
303
304	// Try to find an annotation that will fit
305	QString best_annotation;
306	int best_width = 0;
307
308	BOOST_FOREACH(const QString &a, annotations) {
309	const int w = p.boundingRect(QRectF(), 0, a).width();
310	if (w <= rect.width() && w > best_width)
311	best_annotation = a, best_width = w;
312	}
313
314	if (best_annotation.isEmpty())
315	best_annotation = annotations.back();
316
317	// If not ellide the last in the list
318	p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
319	best_annotation, Qt::ElideRight, rect.width()));
320	}
321
b9329558	322	void DecodeTrace::draw_error(QPainter &p, const QString &message,
ad50ac1a JH	323	int left, int right)
	324	{
	325	const int y = get_y();
	326
	327	p.setPen(ErrorBgColour.darker());
	328	p.setBrush(ErrorBgColour);
	329
	330	const QRectF bounding_rect =
	331	QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
	332	const QRectF text_rect = p.boundingRect(bounding_rect,
	333	Qt::AlignCenter, message);
	334	const float r = text_rect.height() / 4;
	335
	336	p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
	337	Qt::AbsoluteSize);
	338
	339	p.setPen(get_text_colour());
	340	p.drawText(text_rect, message);
	341	}
	342
5dfeb70f JH	343	void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
	344	int right, double samples_per_pixel, double pixels_offset)
	345	{
	346	using namespace pv::data;
	347	using pv::data::decode::Decoder;
	348
	349	assert(_decoder_stack);
	350
	351	shared_ptr<Logic> data;
	352	shared_ptr<LogicSignal> logic_signal;
	353
	354	const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();
	355
	356	// We get the logic data of the first probe in the list.
	357	// This works because we are currently assuming all
	358	// LogicSignals have the same data/snapshot
	359	BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack)
	360	if (dec && !dec->probes().empty() &&
	361	((logic_signal = (*dec->probes().begin()).second)) &&
7aa09b00	362	((data = logic_signal->logic_data())))
5dfeb70f JH	363	break;
	364
	365	if (!data \|\| data->get_snapshots().empty())
	366	return;
	367
	368	const shared_ptr<LogicSnapshot> snapshot =
	369	data->get_snapshots().front();
	370	assert(snapshot);
	371	const int64_t sample_count = (int64_t)snapshot->get_sample_count();
	372	if (sample_count == 0)
	373	return;
	374
	375	const int64_t samples_decoded = _decoder_stack->samples_decoded();
	376	if (sample_count == samples_decoded)
	377	return;
	378
	379	const int y = get_y();
	380	const double start = max(samples_decoded /
	381	samples_per_pixel - pixels_offset, left - 1.0);
	382	const double end = min(sample_count / samples_per_pixel -
	383	pixels_offset, right + 1.0);
	384	const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);
	385
	386	p.setPen(QPen(Qt::NoPen));
	387	p.setBrush(Qt::white);
	388	p.drawRect(no_decode_rect);
	389
	390	p.setPen(NoDecodeColour);
	391	p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
	392	p.drawRect(no_decode_rect);
	393	}
	394
613d097c JH	395	void DecodeTrace::create_decoder_form(int index,
	396	shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
	397	QFormLayout *form)
7491a29f JH	398	{
	399	const GSList *probe;
	400
	401	assert(dec);
	402	const srd_decoder *const decoder = dec->decoder();
	403	assert(decoder);
	404
204bae45 JH	405	pv::widgets::DecoderGroupBox *const group =
204bae45 JH	406	new pv::widgets::DecoderGroupBox(decoder->name);
613d097c JH	407
	408	_delete_mapper.setMapping(group, index);
	409	connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));
	410
204bae45 JH	411	QFormLayout *const decoder_form = new QFormLayout;
204bae45 JH	412	group->add_layout(decoder_form);
7491a29f JH	413
	414	// Add the mandatory probes
	415	for(probe = decoder->probes; probe; probe = probe->next) {
	416	const struct srd_probe *const p =
	417	(struct srd_probe *)probe->data;
	418	QComboBox *const combo = create_probe_selector(parent, dec, p);
	419	connect(combo, SIGNAL(currentIndexChanged(int)),
	420	this, SLOT(on_probe_selected(int)));
204bae45	421	decoder_form->addRow(tr("<b>%1</b> (%2) *")
7491a29f JH	422	.arg(p->name).arg(p->desc), combo);
	423
	424	const ProbeSelector s = {combo, dec, p};
	425	_probe_selectors.push_back(s);
	426	}
	427
	428	// Add the optional probes
	429	for(probe = decoder->opt_probes; probe; probe = probe->next) {
	430	const struct srd_probe *const p =
	431	(struct srd_probe *)probe->data;
	432	QComboBox *const combo = create_probe_selector(parent, dec, p);
	433	connect(combo, SIGNAL(currentIndexChanged(int)),
	434	this, SLOT(on_probe_selected(int)));
204bae45	435	decoder_form->addRow(tr("<b>%1</b> (%2)")
7491a29f JH	436	.arg(p->name).arg(p->desc), combo);
	437
	438	const ProbeSelector s = {combo, dec, p};
	439	_probe_selectors.push_back(s);
	440	}
	441
	442	// Add the options
	443	shared_ptr<prop::binding::DecoderOptions> binding(
	444	new prop::binding::DecoderOptions(_decoder_stack, dec));
204bae45	445	binding->add_properties_to_form(decoder_form, true);
7491a29f JH	446
7491a29f JH	447	_bindings.push_back(binding);
204bae45 JH	448
204bae45 JH	449	form->addRow(group);
7491a29f JH	450	}
7491a29f JH	451
b9329558	452	QComboBox* DecodeTrace::create_probe_selector(
7491a29f JH	453	QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
7491a29f JH	454	const srd_probe *const probe)
4e5a4405	455	{
7491a29f JH	456	assert(dec);
7491a29f JH	457
4e5a4405 JH	458	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
4e5a4405 JH	459
6e89374a	460	assert(_decoder_stack);
4e5a4405 JH	461	const map<const srd_probe*,
4e5a4405 JH	462	shared_ptr<LogicSignal> >::const_iterator probe_iter =
7491a29f	463	dec->probes().find(probe);
4e5a4405 JH	464
	465	QComboBox *selector = new QComboBox(parent);
	466
	467	selector->addItem("-", qVariantFromValue((void*)NULL));
	468
7491a29f	469	if (probe_iter == dec->probes().end())
4e5a4405 JH	470	selector->setCurrentIndex(0);
	471
	472	for(size_t i = 0; i < sigs.size(); i++) {
	473	const shared_ptr<view::Signal> s(sigs[i]);
	474	assert(s);
	475
	476	if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
	477	{
	478	selector->addItem(s->get_name(),
	479	qVariantFromValue((void*)s.get()));
	480	if ((*probe_iter).second == s)
	481	selector->setCurrentIndex(i + 1);
	482	}
	483	}
	484
	485	return selector;
	486	}
	487
7491a29f	488	void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec)
4e5a4405	489	{
7491a29f	490	assert(dec);
4e5a4405 JH	491
	492	map<const srd_probe*, shared_ptr<LogicSignal> > probe_map;
	493	const vector< shared_ptr<Signal> > sigs = _session.get_signals();
	494
7491a29f	495	BOOST_FOREACH(const ProbeSelector &s, _probe_selectors)
4e5a4405	496	{
7491a29f JH	497	if(s._decoder != dec)
	498	break;
	499
4e5a4405	500	const LogicSignal *const selection =
7491a29f JH	501	(LogicSignal*)s._combo->itemData(
7491a29f JH	502	s._combo->currentIndex()).value<void*>();
4e5a4405	503
7491a29f JH	504	BOOST_FOREACH(shared_ptr<Signal> sig, sigs)
	505	if(sig.get() == selection) {
	506	probe_map[s._probe] =
	507	dynamic_pointer_cast<LogicSignal>(sig);
4e5a4405 JH	508	break;
	509	}
	510	}
	511
7491a29f JH	512	dec->set_probes(probe_map);
	513	}
	514
	515	void DecodeTrace::commit_probes()
	516	{
	517	assert(_decoder_stack);
	518	BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec,
	519	_decoder_stack->stack())
	520	commit_decoder_probes(dec);
	521
	522	_decoder_stack->begin_decode();
4e5a4405 JH	523	}
4e5a4405 JH	524
b9329558	525	void DecodeTrace::on_new_decode_data()
9cef9567 JH	526	{
	527	if (_view)
	528	_view->update_viewport();
	529	}
	530
b9329558	531	void DecodeTrace::delete_pressed()
5ed1adf5 JH	532	{
	533	on_delete();
	534	}
	535
b9329558	536	void DecodeTrace::on_delete()
c51482b3 JH	537	{
	538	_session.remove_decode_signal(this);
	539	}
	540
b9329558	541	void DecodeTrace::on_probe_selected(int)
4e5a4405 JH	542	{
	543	commit_probes();
	544	}
	545
7491a29f JH	546	void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
	547	{
	548	assert(decoder);
	549	assert(_decoder_stack);
	550	_decoder_stack->push(shared_ptr<data::decode::Decoder>(
	551	new data::decode::Decoder(decoder)));
	552	_decoder_stack->begin_decode();
37fd11b1 JH	553
37fd11b1 JH	554	create_popup_form();
7491a29f JH	555	}
7491a29f JH	556
613d097c JH	557	void DecodeTrace::on_delete_decoder(int index)
	558	{
	559	_decoder_stack->remove(index);
	560
	561	// Update the popup
	562	create_popup_form();
	563
	564	_decoder_stack->begin_decode();
	565	}
	566
55d3603d JH	567	} // namespace view
55d3603d JH	568	} // namespace pv